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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 3 |
| 2 | 9 |
| 3 | 729 |
| 4 | 282429536481 |
| 5 | 1797010299914431210413179829509605039731475627537851106401 |
[3,3,9,729,282429536481, 17970102999144312104131798295096050397314756275378\ 51106401] |